//
//  Status.swift
//  Swiftsweibo
//
//  Created by 张鹏飞 on 16/1/11.
//  Copyright © 2016年 张鹏飞. All rights reserved.
//

import UIKit

class Status: NSObject {
    /// 微博ID
    var id: Int = 0
    /// 微博信息内容
    var text: String?
    /// 微博创建时间
    var created_at: String?
    /// 微博来源
    var source: String?
    /// 缩略图配图数组 key: thumbnail_pic
    var pic_urls: [[String: String]]?
    /// 被转发的原微博信息字段
    var retweeted_status: Status?
    /// 用户模型
    var user: User?
    
    init(dict: [String: AnyObject]) {
    
        super.init()
        
        //如果使用 KVC 时,value 是一个字典会直接给属性转换成字典
        setValuesForKeysWithDictionary(dict)
    }
    
    // setValuesForKeysWithDictionary方法默认会调用 setValue for key 方法
    
    override func setValue(value: AnyObject?, forKey key: String) {
        //判断key 是否是 user
        if key == "user" {
        
        if let dict = value as? [String: AnyObject] {
        
            user = User(dict: dict)
        }
        
        return
    }
        
        //判断key 是否是 retweeted_status
        if key == "retweeted_status" {
            
            if let dict = value as? [String: AnyObject] {
                
                retweeted_status = Status(dict: dict)
            }
            
            return
        }
        super.setValue(value, forKey: key)
    }
    
    
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {

    }
    
    override var description: String {
    
        let keys = ["id", "text", "created_at", "source","user","pic_urls","retweeted_status"]
        
        return dictionaryWithValuesForKeys(keys).description
    }
    
}
